CH425900A - Circuit arrangement for upward and downward regulation of a two-stage transistor amplifier - Google Patents

Circuit arrangement for upward and downward regulation of a two-stage transistor amplifier

Info

Publication number
CH425900A
CH425900A CH3365A CH3365A CH425900A CH 425900 A CH425900 A CH 425900A CH 3365 A CH3365 A CH 3365A CH 3365 A CH3365 A CH 3365A CH 425900 A CH425900 A CH 425900A
Authority
CH
Switzerland
Prior art keywords
upward
circuit arrangement
stage transistor
transistor amplifier
downward regulation
Prior art date
Application number
CH3365A
Other languages
German (de)
Inventor
Forsthuber Hubert
Michaelis Gerhard
Original Assignee
Standard Telephon & Radio Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH425900A publication Critical patent/CH425900A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for
    • H03F1/565—Modifications of input or output impedances, not otherwise provided for using inductive elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
CH3365A 1964-01-04 1965-01-04 Circuit arrangement for upward and downward regulation of a two-stage transistor amplifier CH425900A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST21523A DE1192703B (en) 1964-01-04 1964-01-04 Circuit arrangement for up and down regulation of a two-stage transistor amplifier

Publications (1)

Publication Number Publication Date
CH425900A true CH425900A (en) 1966-12-15

Family

ID=7459033

Family Applications (1)

Application Number Title Priority Date Filing Date
CH3365A CH425900A (en) 1964-01-04 1965-01-04 Circuit arrangement for upward and downward regulation of a two-stage transistor amplifier

Country Status (7)

Country Link
US (1) US3310752A (en)
BE (1) BE657857A (en)
CH (1) CH425900A (en)
DE (1) DE1192703B (en)
FR (1) FR1421779A (en)
GB (1) GB1070661A (en)
NL (1) NL147296B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1276737B (en) 1966-03-01 1968-09-05 Graetz Kommanditgesellschaft Circuit arrangement for up and down regulation of a two-stage transistor amplifier
US3546591A (en) * 1967-05-22 1970-12-08 Warwick Electronics Inc Forward and delayed reverse automatic gain control circuit
US4366443A (en) * 1980-06-26 1982-12-28 Rca Corporation Television intermediate frequency amplifier

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123777A (en) * 1964-03-03 D thomas
US2490448A (en) * 1945-11-09 1949-12-06 Amalgamated Wireless Australas Frequency changer
DE1009239B (en) 1954-01-29 1957-05-29 Philips Nv Cascade amplifier circuit with transistors
US2912572A (en) * 1955-09-19 1959-11-10 Hazeltine Research Inc Automatic-gain-control system utilizing constant current source
US3036275A (en) * 1958-08-26 1962-05-22 Raytheon Co Gain control circuits
AT220676B (en) * 1959-10-22 1962-04-10 Philips Nv Adjustable transistor circuit
US3103636A (en) * 1961-01-04 1963-09-10 Charles E David Automatic gain control for transistor amplifier
DE1158117B (en) * 1961-06-14 1963-11-28 Atlas Werke Ag Method for the gain control of transistor control stages

Also Published As

Publication number Publication date
BE657857A (en) 1965-07-05
NL6415298A (en) 1965-07-05
US3310752A (en) 1967-03-21
NL147296B (en) 1975-09-15
DE1192703B (en) 1965-05-13
FR1421779A (en) 1965-12-17
GB1070661A (en) 1967-06-01

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